Can opener



FIG. 1 is a side view of the can opener showing my design.

FIG. 2 is an opposite side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an end view thereof;

FIG. 5 is an opposite end view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof. 

I claim the ornamental design for a can opener, as shown and described. 